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In the intricate world of electronics manufacturing and repair, the choice of solder is foundational to quality, reliability, and efficiency. Among the array of alloys available, Tin Wire 40 60 stands out as a robust and cost-effective solution for demanding applications. Specifically, the Tin Wire Sn40Pb60 alloy—comprising 40% tin and 60% lead—offers a unique balance of performance and economy. This article delves into the specifics of this reliable product, available in convenient reel weights of 100g, 250g, 500g, and 1000g, with a standard 1.6mm diameter, engineered explicitly for durable electronics and PCB soldering.
At XF Solder, we specialize in manufacturing premium-grade solder wires. With extensive export experience and an unwavering commitment to stable, high-quality production, we provide distinct advantages for bulk procurement. While the popular Sn63Pb37 alloy is often the default choice, our Tin Wire 40 60 presents a compelling alternative. It is notably more affordable while maintaining excellent stability and user-friendliness, making it an ideal candidate for factory-scale electronics assembly or the dynamic environment of a repair workshop.
The performance of any solder wire begins with its metallurgical composition. Tin Wire Sn40Pb60, also commonly referred to as Tin Wire 40 60, is a eutectic-type alloy with a melting point of approximately 188°C (370°F), slightly higher than the 183°C melting point of Sn63Pb37. This specific ratio of 40% tin to 60% lead is engineered to deliver several key benefits:
Cost-Effectiveness: With a lower tin content than Sn63Pb37, Tin Wire 40 60 is more economical, directly reducing material costs in high-volume operations without sacrificing core performance.
Thermal and Mechanical Stability: The alloy exhibits good shear strength and thermal fatigue resistance. It solidifies over a very narrow plastic range, creating strong, reliable joints that withstand physical stress and thermal cycling, which is crucial for PCB soldering.
Excellent Wettability: The alloy flows smoothly, ensuring proper adhesion to component leads and copper pads, resulting in shiny, concave fillets that indicate a high-quality connection.
For professionals seeking a dependable, budget-friendly workhorse solder, Tin Wire Sn40Pb60 is an outstanding choice, particularly when consistent results across thousands of solder joints are required.

The diameter of your solder wire is not a trivial detail; it directly impacts soldering speed, precision, and material waste. The 1.6mm diameter specification for our Tin Wire 40 60 1.6mm product is a carefully selected industry standard that offers optimal versatility.
Ideal for Hand Soldering: The 1.6mm gauge is perfectly suited for manual soldering tasks. It provides enough volume to quickly form a joint on medium to larger pads and through-hole components commonly found in electronics assembly and repair, without being so thick that it becomes cumbersome.
Efficiency in Volume: For technicians in repair shops or assembly lines, speed is essential. The Tin Wire Sn40Pb60 1.6mm allows for a faster feed rate compared to thinner gauges, increasing throughput without compromising joint quality.
Reduced Waste: A diameter that is too thin for the task requires more feeding, while one that is too thick can lead to over-application and waste. The 1.6mm size strikes an efficient balance, making it an excellent general-purpose choice for most through-hole and larger surface-mount soldering applications on a PCB.
To cater to diverse operational needs—from bench-level repair to full-scale production—we offer Tin Wire 40 60 in a logical progression of reel weights. Each size is designed for specific use-case scenarios, ensuring convenience and efficiency.
The Tin Wire 40 60 100g 1.6mm reel is the perfect entry-point or portable option. It is ideal for hobbyists, field service technicians, or repair shops that handle a varied but moderate volume of work. Its compact size makes it easy to store, handle, and use directly from a soldering iron holder, minimizing clutter on the workbench.
Stepping up, the Tin Wire 40 60 250g 1.6mm reel is the workhorse of the electronics repair workshop. It provides a substantial amount of wire, reducing the frequency of reel changes during a busy day of PCB repairs or small-batch prototyping. This size offers an excellent balance between capacity and manageability for most professional repair environments.
For small to medium-scale manufacturing runs or very active repair centers, the Tin Wire 40 60 500g 1.6mm reel delivers enhanced productivity. The larger reel minimizes interruptions for replenishment, allowing operators to maintain a consistent workflow. This size is a cost-effective choice for operations where Tin Wire 40 60 for Electronics is in regular, daily use.
Designed for maximum efficiency in factory settings, the Tin Wire 40 60 1000g 1.6mm reel is the solution for continuous, high-volume PCB soldering production lines. The large capacity ensures uninterrupted operation over extended shifts, optimizing labor time and reducing packaging waste per unit of solder consumed. This is the definitive choice for bulk procurement where downtime is a critical cost factor.
The versatility and reliability of Tin Wire 40 60 make it suitable for a wide spectrum of applications. Its primary domains are in the creation and restoration of electronic devices.
In the manufacturing of consumer electronics, industrial controls, automotive modules, and more, Tin Wire 40 60 for Electronics provides a stable and predictable soldering process. Its good flow characteristics ensure rapid and reliable joint formation on a variety of components, from resistors and capacitors to connectors and wires. The alloy's strength contributes to the overall durability of the finished product.
This is where Tin Wire 40 60 for PCB truly shines. Repair technicians value an alloy that performs consistently under varied conditions. Whether reflowing a cracked joint, replacing a through-hole component, or adding a wire modification, the Tin Wire Sn40Pb60 1.6mm offers the right blend of melt behavior and joint strength. Its slightly higher melting point can be advantageous when working near heat-sensitive components that might be affected by the quicker reflow of Sn63Pb37.

Choosing a solder supplier is as important as selecting the alloy itself. At XF Solder, we have built our reputation on consistency, expertise, and global reach.
Manufacturing Expertise: We are specialists in Tin Wire production. Our processes are refined to ensure every reel of Tin Wire 40 60 meets strict specifications for alloy homogeneity, flux core consistency, and wire diameter tolerance.
Stable Quality, Batch After Batch: Our commitment to quality control means that when you specify Tin Wire Sn40Pb60 from XF Solder, you receive a product with identical performance characteristics every time. This reliability is non-negotiable for both manufacturing quality assurance and efficient repair work.
Extensive Export Experience: We understand the logistical and compliance requirements of international trade. Our experience in exporting ensures smooth, reliable delivery to partners worldwide.
Bulk Purchase Advantages: For clients engaged in large-scale production or high-volume repair operations, our direct manufacturing model translates into significant advantages for bulk purchasing, including competitive pricing, consistent supply, and tailored support.
While Tin Wire Sn63Pb37 is a true eutectic alloy with a single melting point, Tin Wire 40 60 offers a marginally different profile that brings practical benefits, especially in cost-sensitive applications.
Cost Savings: The most direct advantage. The lower tin content makes Tin Wire 40 60 a more budget-friendly option, allowing businesses to reduce their Bill of Materials (BOM) cost significantly over thousands of solder joints.
Performance Stability: In real-world electronics and PCB soldering applications, the performance difference is often negligible for through-hole components and many surface-mount parts. The Tin Wire Sn40Pb60 forms strong, reliable, and shiny solder joints that meet industry standards.
Ease of Use: With flux cores optimized for smooth operation, our Tin Wire 40 60 1.6mm is just as easy to use as more expensive alloys. It feeds smoothly, melts predictably, and produces minimal spatter, making it suitable for both novice and experienced technicians.
To maximize the benefits of Tin Wire 40 60 for PCB and electronics work, follow these guidelines:
Temperature Setting: Set your soldering iron temperature to between 320°C and 380°C (608°F - 716°F) to account for the slightly higher melting point, ensuring efficient heat transfer.
Tip Maintenance: Use a properly tinned and cleaned iron tip. The 1.6mm diameter wire works well with medium-sized chisel or conical tips (e.g., 2.4mm chisel).
Technique: Apply the tip to both the lead and pad simultaneously to heat them evenly, then feed the Tin Wire Sn40Pb60 into the junction—not directly onto the iron tip—allowing it to flow freely and form a complete joint.
Storage: Keep reels in a cool, dry place to preserve the efficacy of the flux core.
For businesses and technicians prioritizing a blend of unwavering reliability, practical performance, and cost management, Tin Wire 40 60 Sn40Pb60 is an intelligent and proven choice. Available in the highly practical 1.6mm diameter and a range of reel sizes from the portable 100g to the industrial 1000g, it is engineered to excel in both electronics manufacturing and PCB repair environments.
XF Solder is proud to be your professional source for this essential material. Our focus on stable quality, backed by rich export experience, ensures you receive a product that enhances your operational efficiency and bottom line. When you choose our Tin Wire 40 60, you are not just buying solder; you are investing in a partnership dedicated to the success of your soldering applications. Contact us today to discuss your requirements and discover the advantages of our bulk procurement options.
Contact us:
Email: xfsolder@163.com or xfsolder@gmail.com
WhatsApp/Wechat: 008613450770997
In the intricate world of electronics manufacturing and repair, the choice of solder is foundational to quality, reliability, and efficiency. Among the array of alloys available, Tin Wire 40 60 stands out as a robust and cost-effective solution for demanding applications. Specifically, the Tin Wire Sn40Pb60 alloy—comprising 40% tin and 60% lead—offers a unique balance of performance and economy. This article delves into the specifics of this reliable product, available in convenient reel weights of 100g, 250g, 500g, and 1000g, with a standard 1.6mm diameter, engineered explicitly for durable electronics and PCB soldering.
At XF Solder, we specialize in manufacturing premium-grade solder wires. With extensive export experience and an unwavering commitment to stable, high-quality production, we provide distinct advantages for bulk procurement. While the popular Sn63Pb37 alloy is often the default choice, our Tin Wire 40 60 presents a compelling alternative. It is notably more affordable while maintaining excellent stability and user-friendliness, making it an ideal candidate for factory-scale electronics assembly or the dynamic environment of a repair workshop.
The performance of any solder wire begins with its metallurgical composition. Tin Wire Sn40Pb60, also commonly referred to as Tin Wire 40 60, is a eutectic-type alloy with a melting point of approximately 188°C (370°F), slightly higher than the 183°C melting point of Sn63Pb37. This specific ratio of 40% tin to 60% lead is engineered to deliver several key benefits:
Cost-Effectiveness: With a lower tin content than Sn63Pb37, Tin Wire 40 60 is more economical, directly reducing material costs in high-volume operations without sacrificing core performance.
Thermal and Mechanical Stability: The alloy exhibits good shear strength and thermal fatigue resistance. It solidifies over a very narrow plastic range, creating strong, reliable joints that withstand physical stress and thermal cycling, which is crucial for PCB soldering.
Excellent Wettability: The alloy flows smoothly, ensuring proper adhesion to component leads and copper pads, resulting in shiny, concave fillets that indicate a high-quality connection.
For professionals seeking a dependable, budget-friendly workhorse solder, Tin Wire Sn40Pb60 is an outstanding choice, particularly when consistent results across thousands of solder joints are required.

The diameter of your solder wire is not a trivial detail; it directly impacts soldering speed, precision, and material waste. The 1.6mm diameter specification for our Tin Wire 40 60 1.6mm product is a carefully selected industry standard that offers optimal versatility.
Ideal for Hand Soldering: The 1.6mm gauge is perfectly suited for manual soldering tasks. It provides enough volume to quickly form a joint on medium to larger pads and through-hole components commonly found in electronics assembly and repair, without being so thick that it becomes cumbersome.
Efficiency in Volume: For technicians in repair shops or assembly lines, speed is essential. The Tin Wire Sn40Pb60 1.6mm allows for a faster feed rate compared to thinner gauges, increasing throughput without compromising joint quality.
Reduced Waste: A diameter that is too thin for the task requires more feeding, while one that is too thick can lead to over-application and waste. The 1.6mm size strikes an efficient balance, making it an excellent general-purpose choice for most through-hole and larger surface-mount soldering applications on a PCB.
To cater to diverse operational needs—from bench-level repair to full-scale production—we offer Tin Wire 40 60 in a logical progression of reel weights. Each size is designed for specific use-case scenarios, ensuring convenience and efficiency.
The Tin Wire 40 60 100g 1.6mm reel is the perfect entry-point or portable option. It is ideal for hobbyists, field service technicians, or repair shops that handle a varied but moderate volume of work. Its compact size makes it easy to store, handle, and use directly from a soldering iron holder, minimizing clutter on the workbench.
Stepping up, the Tin Wire 40 60 250g 1.6mm reel is the workhorse of the electronics repair workshop. It provides a substantial amount of wire, reducing the frequency of reel changes during a busy day of PCB repairs or small-batch prototyping. This size offers an excellent balance between capacity and manageability for most professional repair environments.
For small to medium-scale manufacturing runs or very active repair centers, the Tin Wire 40 60 500g 1.6mm reel delivers enhanced productivity. The larger reel minimizes interruptions for replenishment, allowing operators to maintain a consistent workflow. This size is a cost-effective choice for operations where Tin Wire 40 60 for Electronics is in regular, daily use.
Designed for maximum efficiency in factory settings, the Tin Wire 40 60 1000g 1.6mm reel is the solution for continuous, high-volume PCB soldering production lines. The large capacity ensures uninterrupted operation over extended shifts, optimizing labor time and reducing packaging waste per unit of solder consumed. This is the definitive choice for bulk procurement where downtime is a critical cost factor.
The versatility and reliability of Tin Wire 40 60 make it suitable for a wide spectrum of applications. Its primary domains are in the creation and restoration of electronic devices.
In the manufacturing of consumer electronics, industrial controls, automotive modules, and more, Tin Wire 40 60 for Electronics provides a stable and predictable soldering process. Its good flow characteristics ensure rapid and reliable joint formation on a variety of components, from resistors and capacitors to connectors and wires. The alloy's strength contributes to the overall durability of the finished product.
This is where Tin Wire 40 60 for PCB truly shines. Repair technicians value an alloy that performs consistently under varied conditions. Whether reflowing a cracked joint, replacing a through-hole component, or adding a wire modification, the Tin Wire Sn40Pb60 1.6mm offers the right blend of melt behavior and joint strength. Its slightly higher melting point can be advantageous when working near heat-sensitive components that might be affected by the quicker reflow of Sn63Pb37.

Choosing a solder supplier is as important as selecting the alloy itself. At XF Solder, we have built our reputation on consistency, expertise, and global reach.
Manufacturing Expertise: We are specialists in Tin Wire production. Our processes are refined to ensure every reel of Tin Wire 40 60 meets strict specifications for alloy homogeneity, flux core consistency, and wire diameter tolerance.
Stable Quality, Batch After Batch: Our commitment to quality control means that when you specify Tin Wire Sn40Pb60 from XF Solder, you receive a product with identical performance characteristics every time. This reliability is non-negotiable for both manufacturing quality assurance and efficient repair work.
Extensive Export Experience: We understand the logistical and compliance requirements of international trade. Our experience in exporting ensures smooth, reliable delivery to partners worldwide.
Bulk Purchase Advantages: For clients engaged in large-scale production or high-volume repair operations, our direct manufacturing model translates into significant advantages for bulk purchasing, including competitive pricing, consistent supply, and tailored support.
While Tin Wire Sn63Pb37 is a true eutectic alloy with a single melting point, Tin Wire 40 60 offers a marginally different profile that brings practical benefits, especially in cost-sensitive applications.
Cost Savings: The most direct advantage. The lower tin content makes Tin Wire 40 60 a more budget-friendly option, allowing businesses to reduce their Bill of Materials (BOM) cost significantly over thousands of solder joints.
Performance Stability: In real-world electronics and PCB soldering applications, the performance difference is often negligible for through-hole components and many surface-mount parts. The Tin Wire Sn40Pb60 forms strong, reliable, and shiny solder joints that meet industry standards.
Ease of Use: With flux cores optimized for smooth operation, our Tin Wire 40 60 1.6mm is just as easy to use as more expensive alloys. It feeds smoothly, melts predictably, and produces minimal spatter, making it suitable for both novice and experienced technicians.
To maximize the benefits of Tin Wire 40 60 for PCB and electronics work, follow these guidelines:
Temperature Setting: Set your soldering iron temperature to between 320°C and 380°C (608°F - 716°F) to account for the slightly higher melting point, ensuring efficient heat transfer.
Tip Maintenance: Use a properly tinned and cleaned iron tip. The 1.6mm diameter wire works well with medium-sized chisel or conical tips (e.g., 2.4mm chisel).
Technique: Apply the tip to both the lead and pad simultaneously to heat them evenly, then feed the Tin Wire Sn40Pb60 into the junction—not directly onto the iron tip—allowing it to flow freely and form a complete joint.
Storage: Keep reels in a cool, dry place to preserve the efficacy of the flux core.
For businesses and technicians prioritizing a blend of unwavering reliability, practical performance, and cost management, Tin Wire 40 60 Sn40Pb60 is an intelligent and proven choice. Available in the highly practical 1.6mm diameter and a range of reel sizes from the portable 100g to the industrial 1000g, it is engineered to excel in both electronics manufacturing and PCB repair environments.
XF Solder is proud to be your professional source for this essential material. Our focus on stable quality, backed by rich export experience, ensures you receive a product that enhances your operational efficiency and bottom line. When you choose our Tin Wire 40 60, you are not just buying solder; you are investing in a partnership dedicated to the success of your soldering applications. Contact us today to discuss your requirements and discover the advantages of our bulk procurement options.
Contact us:
Email: xfsolder@163.com or xfsolder@gmail.com
WhatsApp/Wechat: 008613450770997
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